set2: 1 x Seal Strip + 11 x Crochet Very easy to use and practical. There are diffrent size and you can have it all. They are your good helper of textile. Keeps the Outside Out: This sealing strip can do it all. It's soundproof, and durable. It'll keep your home free of bugs, dust, and water from storms. Tough and Durable: The premium rubber is non-toxic, water-resistant, and anti-scratch. It'll keep the outside out so that you can enjoy the peace and quiet of your home. It can handle any kind of weather or wear that it might face! It's also great for bathrooms, laundry rooms, and anywhere you might need it Size: 8.0mm / 7.0mm / 6.0mm / 5.5mm / 5.0mm / 4.5mm / 4.0mm / 3.5mm / 3.0mm / 2.5mm / 2.0mm Length: Approx 27cm/10.6inch Function: dustproof and windproof pest control sound insulation Material: rubber/ Aluminum Color: transparent color/color Seal Strip Dimension: 100 x 2.5 x 0.1cm Package Contents: 1 x Seal Strip 11 x Crochet Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.